Standard : http://www.oasis-open.org/committees/relax-ng/ RelaxNG is a SchemaLanguageForXML based on RegularTreeGrammars. It is (suprisingly) more powerful and easier ...

DocumentTypeDefinition was introduced in the XML standard as the schema language for XML. Because of the limited power of DTD and because it cannot handle XMLNamespaces ...

Homepage : http://www.saxproject.org/ The Simple API for XML (SAX) is a standard interface for event-based XML parsing. Because of the event-based approach the interface ...